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NI ENET-9237

4 Ch, 50 kS/s/ch, 24-Bit, ±25 mV/V Bridge and Strain Input

  • 10/100 Mb/s Ethernet communications interface
  • Up to 100 m cabling distance per segment
  • Programmable half- and full-bridge completion
  • Quarter-bridge completion with external accessory (sold separately)
  • Up to 10 V internal excitation
  • Includes NI-DAQmx measurement services software and LabVIEW SignalExpress LE

The NI ENET-9237 Ethernet data acquisition (DAQ) device includes four channels of analog input with built-in signal conditioning for strain gages, pressure transducers, load cells, and other bridge-based measurements. You can synchronize an ENET-9237 with other devices by using two onboard individually programmable digital trigger lines to export or import sample clocks, start triggers, pause triggers, and reference triggers. In addition, channel-to-earth isolation and calibration traceable to the National Institute of Standards and Technology (NIST) standards offer safety and accuracy for high-quality sensor measurements.

The standard RJ50 connectors on the ENET-9237 are used for mass termination. Crimping an RJ50 connector onto a sensor, which is similar to crimping a standard network cable, provides for quick connection of the sensor to the module.

For screw terminals without the quarter-bridge completion, purchase the NI 9949 RJ50 to screw terminal accessory and a kit of RJ50 cables (quantity of 4). This setup exposes all 10 pins for each channel as screw terminals. The NI 9944 and NI 9945 are accessories for use with quarter-bridge sensors. These accessories have a female RJ50 connector on one end and screw terminals on the other end. Purchase these accessories with a kit of RJ50 cables (quantity 4).

NI-DAQmx Measurement Services Software
NI-DAQmx driver and measurement services software provides easy-to-use configuration and programming interfaces with features such as the DAQ Assistant and automatic code generation to help reduce development time. Every Ethernet DAQ device also includes a copy of LabVIEW SignalExpress LE software so you can quickly acquire, analyze, and present data without programming.

Part Number Description Est Ship  US Dollars Qty
Device and Power Cord (Required)
780506-01NI ENET-9237 4Ch, 50 kS/s/ch, 24-Bit, ±25mV/V Bridge/Strain Input5 - 10$ 1,399.00
763000-01Power Cord, AC, U.S., 120 VAC10 - 15$ 9.00
763068-01Power Cord, 240V, 10A, North American5 - 10$ 19.00
Connectivity, Mounting, and Other Accessories (Optional)
779689-01DIN Rail Mounting Kit for DAQ and GPIB Devices5 - 10$ 29.00
194611-01NI 9942 4-Position Connector Kit5 - 10$ 9.00
189174-01E5 Ethernet Cable, Shielded, 1 M5 - 10$ 50.00
189174-05E5 Ethernet Cable, Shielded, 5 M5 - 10$ 75.00
189174-10E5 Ethernet Cable, Shielded, 10 MCall$ 110.00
194612-02RJ50 Cable for 9944, 9945, and 9949, 2m (qty 4)1 - 2$ 29.00
195950-10RJ50 Cable 10-pin Modular Plug to Pigtail Wires, 10m5 - 10$ 19.00
195950-02RJ50 Cable 10-pin Modular Plug to Pigtail Wires, 2m (qty 4)5 - 10$ 29.00
194612-10RJ50 Cable for 9944, 9945, and 9949, 10m (Qty 1)5 - 10$ 19.00
196809-01NI 9949 RJ-50 (female) to Screw Terminal Adaptor (Qty 4)1 - 2$ 179.00
194611-01NI 9942 4-Position Connector Kit5 - 10$ 9.00
194738-01NI 9944 Quarter Bridge Completion Accessory (120 Ohm, qty 4)1 - 2$ 179.00
194739-01NI 9945 Quarter Bridge Completion Accessory (350 Ohm, qty 4)1 - 2$ 179.00

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Specifications Documents


Specifications Summary

General
Product Name ENET-9237
Product Family Signal Conditioning
Form Factor Ethernet
Operating System/Target Windows
LabVIEW RT Support No
Measurement Type Bridge-based sensor , Strain gauge
Isolation Type Ch-Earth Ground Isolation
RoHS Compliant Yes
Signal Conditioning Bridge completion , Voltage excitation , Anti-aliasing filter
Analog Input
Channels 0 , 4
Single-Ended Channels 0
Differential Channels 4
Resolution 24 bits
Sample Rate 50 kS/s
Max Voltage 25.0 V
Maximum Voltage Range 25.0 , -25.0 V
Maximum Voltage Range Accuracy 112.500 mV
Minimum Voltage Range 25 V , -25 V
Minimum Voltage Range Accuracy 112.500 mV
Simultaneous Sampling Yes
Excitation Voltage 10.0 , 2.500 , 3.300 , 5.0 V
Bridge Configurations Half Bridge , Full Bridge
Analog Output
Channels 0
Digital I/O
Bidirectional Channels 0
Input-Only Cannels 0
Output-Only Channels 0
Number of Channels 0 , 0 , 0
Counter/Timers
Counters 0
Physical Specifications
Length 18.200 cm
Width 9.500 cm
Height 3.700 cm
I/O Connector RJ50
Minimum Operating Temperature 0.0 °C
Maximum Operating Temperature 55.0 °C
Minimum Storage Temperature -10.0 °C
Maximum Storage Temperature 70.0 °C

Extended Warranties

National Instruments designs and manufactures all products to minimize failures, however unexpected failures can still occur. Extended warranties provide a fixed economical price at the time of system purchase, covering any repair costs for up to three years. In addition, they offer the following benefits:

  • Significant cost savings compared to individual repair incidents
  • Fault location, diagnostics, and repair by NI any time the system product fails
  • All parts and labor costs covered as well as any adjustments needed to restore the hardware to manufacturing specifications

For more information about your warranty options:

Calibration

NI recognizes the need to maintain properly calibrated devices for high-accuracy measurements. NI provides manual calibration procedures, services to recalibrate your products, and automated calibration software to calibrate many NI measurement products.

Training

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Repair Services

Return your registered product under warranty at no additional labor and parts cost. NI offers fault location, diagnostics, and repair any time the system fails as well as any adjustments needed to restore the hardware to manufacturing specifications.

Technical Support

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Module Options For Your NI System


NI now has over 50 C Series modules for your NI CompactDAQ, CompactRIO, or single module carrier. Several of these modules are also supported by other platforms including USB, Ethernet, or Wi-Fi (802.11). See what new measurements you can add to your existing system using the Compatibility Chart and watching the video below.